166 lines
4.0 KiB
Ruby
166 lines
4.0 KiB
Ruby
# frozen_string_literal: true
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module FileStore
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class BaseStore
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def store_upload(file, upload, content_type = nil)
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path = get_path_for_upload(upload)
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store_file(file, path)
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end
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def store_optimized_image(file, optimized_image)
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path = get_path_for_optimized_image(optimized_image)
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store_file(file, path)
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end
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def store_file(file, path, opts = {})
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not_implemented
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end
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def remove_upload(upload)
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remove_file(upload.url, get_path_for_upload(upload))
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end
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def remove_optimized_image(optimized_image)
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remove_file(optimized_image.url, get_path_for_optimized_image(optimized_image))
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end
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def remove_file(url, path)
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not_implemented
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end
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def upload_path
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File.join("uploads", RailsMultisite::ConnectionManagement.current_db)
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end
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def has_been_uploaded?(url)
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not_implemented
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end
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def download_url(upload)
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not_implemented
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end
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def cdn_url(url)
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not_implemented
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end
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def absolute_base_url
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not_implemented
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end
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def relative_base_url
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not_implemented
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end
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def external?
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not_implemented
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end
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def internal?
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!external?
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end
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def path_for(upload)
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not_implemented
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end
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def list_missing_uploads(skip_optimized: false)
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not_implemented
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end
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def download(upload)
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DistributedMutex.synchronize("download_#{upload.sha1}") do
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filename = "#{upload.sha1}#{File.extname(upload.original_filename)}"
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file = get_from_cache(filename)
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if !file
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max_file_size_kb = [SiteSetting.max_image_size_kb, SiteSetting.max_attachment_size_kb].max.kilobytes
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url = Discourse.store.cdn_url(upload.url)
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url = SiteSetting.scheme + ":" + url if url =~ /^\/\//
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file = FileHelper.download(
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url,
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max_file_size: max_file_size_kb,
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tmp_file_name: "discourse-download",
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follow_redirect: true
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)
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cache_file(file, filename)
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file = get_from_cache(filename)
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end
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file
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end
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end
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def purge_tombstone(grace_period)
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end
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def get_path_for(type, id, sha, extension)
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depth = get_depth_for(id)
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tree = File.join(*sha[0, depth].chars, "")
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"#{type}/#{depth + 1}X/#{tree}#{sha}#{extension}"
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end
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def get_path_for_upload(upload)
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extension =
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if upload.extension
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".#{upload.extension}"
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else
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# Maintain backward compatibility before Jobs::MigrateUploadExtensions runs
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File.extname(upload.original_filename)
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end
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get_path_for("original".freeze, upload.id, upload.sha1, extension)
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end
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def get_path_for_optimized_image(optimized_image)
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upload = optimized_image.upload
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version = optimized_image.version || 1
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extension = "_#{version}_#{optimized_image.width}x#{optimized_image.height}#{optimized_image.extension}"
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get_path_for("optimized".freeze, upload.id, upload.sha1, extension)
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end
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CACHE_DIR ||= "#{Rails.root}/tmp/download_cache/"
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CACHE_MAXIMUM_SIZE ||= 500
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def get_cache_path_for(filename)
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"#{CACHE_DIR}#{filename}"
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end
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def get_from_cache(filename)
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path = get_cache_path_for(filename)
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File.open(path) if File.exists?(path)
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end
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def cache_file(file, filename)
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path = get_cache_path_for(filename)
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dir = File.dirname(path)
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FileUtils.mkdir_p(dir) unless Dir.exist?(dir)
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FileUtils.cp(file.path, path)
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# keep latest 500 files
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processes = Open3.pipeline(
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"ls -t #{CACHE_DIR}",
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"tail -n +#{CACHE_MAXIMUM_SIZE + 1}",
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"awk '$0=\"#{CACHE_DIR}\"$0'",
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"xargs rm -f"
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)
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raise "Error clearing old cache" if !processes.all?(&:success?)
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end
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private
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def not_implemented
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raise "Not implemented."
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end
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def get_depth_for(id)
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depths = [0]
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depths << Math.log(id / 1_000.0, 16).ceil if id.positive?
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depths.max
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end
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end
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end
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